Merge branch 'master' of git://factorcode.org/git/factor

* 'master' of git://factorcode.org/git/factor: (23 commits)
  only use -fPIC on the ffi library
  fix load errors, help lint
  add using
  build with -fPIC on linux64
  update code for usages of add-library
  move a lot of words to alien.libraries
  Slides from talk at PyCon VM summit, Chicago 2009
  Fix hang when running ui tests
  Fix compiler.tree.debugger tests
  Merge tools.test.ui into ui.gadgets.debug
  compile an ffi test library, reduce factor runtime by 6kb!
  make add-library normalize-path, use libfactor-ffi-tests for testing ffi
  add sms, twitter fields to account.  create sitewatcher account when user registers
  Better error message if user forgets with-ui
  Fix hello-unicode for deployment
  remove loading freetype library on CE
  remove dead freetype code from Makefile
  A+b now focuses the search field
  Fix bitrot in compiler.tree.debugger
  - definitions.icons now has a reference article
  ...